
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
        <meta name="viewport" content="width=device-width, initial-scale=1">

        <link rel="shortcut icon" href="{{ site.baseurl }}/img/avatar.png" />
        <title>{{ page.title }}</title>
        <meta name="author" content="{{ site.author }}" />
        <meta name="description" content="{% if page.title %}{{ page.title }}{% else %}{{ site.description }}{% endif %}" />
        <meta name="keywords" content="{% if page.title %}{{ page.title }}, {{ site.title }}, {% for categ in page.categories %}{{ categ }}{% if forloop.last == false %}, {% endif %}{% endfor %}{% else %}{{ site.title }}, {% for category in site.categories %}{% capture categories_slug %}{{ category | first }}{% endcapture %}{% for categ in categories_slug %}{{ categ }}{% endfor %}{% if forloop.last == false %}, {% endif %}{% endfor %}{% endif %}" />

        <meta content="{{ site.share.fb_appid }}" property="fb:app_id">
        <meta content="{{ site.title }}" property="og:site_name">
        {% if page.title %}
          <meta content="{{ page.title }}" property="og:title">
        {% else %}
          <meta content="{{ site.title }}" property="og:title">
        {% endif %}
        {% if page.title %}
          <meta content="article" property="og:type">
        {% else %}
          <meta content="website" property="og:type">
        {% endif %}
        {% if page.description %}
          <meta content="{{ page.description }}" property="og:description">
        {% else %}
          <meta content="{{ site.description }}" property="og:description">
        {% endif %}
        {% if page.url %}
          <meta content="{{ site.baseurl }}{{ page.url }}" property="og:url">
        {% endif %}
        {% if page.date %}
          <meta content="{{ page.date | date_to_xmlschema }}" property="article:published_time">
          <meta content="{{ site.baseurl }}/about/" property="article:author">
        {% endif %}
        {% if page.image %}
          <meta content="{{ site.baseurl }}/img/posts/{{ page.image }}" property="og:image">
        {% else %}
          <meta content="{{ site.baseurl }}/img/logo-high-resolution.png" property="og:image">
        {% endif %}
        {% if page.categories %}
          {% for category in page.categories limit:1 %}
          <meta content="{{ category }}" property="article:section">
          {% endfor %}
        {% endif %}
        {% if page.tags %}
          {% for tag in page.tags %}
          <meta content="{{ tag }}" property="article:tag">
          {% endfor %}
        {% endif %}
        <meta name="twitter:card" content="summary">
        <meta name="twitter:site" content="@{{ site.share.twitter_username }}">
        <meta name="twitter:creator" content="@{{ site.share.twitter_username }}">
        {% if page.title %}
          <meta name="twitter:title" content="{{ page.title }}">
        {% else %}
          <meta name="twitter:title" content="{{ site.title }}">
        {% endif %}
        {% if page.url %}
          <meta name="twitter:url" content="{{ site.baseurl }}{{ page.url }}">
        {% endif %}
        {% if page.description %}
          <meta name="twitter:description" content="{{ page.description }}">
        {% else %}
          <meta name="twitter:description" content="{{ site.description }}">
        {% endif %}
        {% if page.header-img %}
          <meta name="twitter:image:src" content="{{ site.baseurl }}/{{ page.header-img }}">
        {% endif %}
